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alt.freeweights.text / ZR1-1.5B-GGUF
From: lmstudio-community <huggingface.co/lmstudio-community>Newsgroups: alt.freeweights.textSubject:

ZR1-1.5B-GGUF

Date: 2026-11-15Commit: acb1555Signed: 2DC28CC7B26A283B ✓

Text generation model. Gguf weights, 5.46 GB in all. Published by lmstudio-community under MIT.

text5.46GBZR1-1.5B-GGUFggufpermissive
FactsParamsnot statedSize5.46 GBFormatsggufTasktext generationLicenseMITFrom sourcepermissive
$ fw get lmstudio-community/ZR1-1.5B-GGUF
# manifest sha256 a88a6ba374ef… · 5.46 GB · 6 files
$ fw verify ./ZR1-1.5B-GGUF lmstudio-community/ZR1-1.5B-GGUF
From sourceHosted (signed)lmstudio-community/ZR1-1.5B-GGUFLast check: 2026-11-15 05:24 UTC
Run at homeGet help

Get help: custom fine-tune or private deploy. We review your setup before we quote.

Quantized of ZR1-1.5B.

Works with

Run14Convert1Evaluate13Scan12Apps58

Convert with

ggml
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
5.46 GB
Weights
980 MB (smallest of 4 GGUF variants)
Parameters
not stated
Formats
gguf
Task
text generation
License
MIT (permissive)
Files
6, each with a sha256
Publisher
lmstudio-community
Added
2026-11-15
Section
alt.freeweights.text
Lineage

Original release from the publisher.

Base model: Zyphra/ZR1-1.5B

Where these bytes come from
Publisher at the pinned commit→You

Sources are tried in order. A file counts only when its size and sha256 match the manifest. Sources are checked when you ask for them, not on a timer.

Sources
BadgeHostLast checkResult
From sourcehuggingface.co2026-11-15 05:24 UTCpassed

Model card

From the publisher at commit acb1555. Shown as plain text with links; images open at the publisher.

💫 Community Model> ZR1 1.5B by Zyphra#

👾 LM Studio Community models highlights program. Highlighting new & noteworthy models by the community. Join the conversation on Discord.

Model creator: Zyphra

Original model: ZR1-1.5B

GGUF quantization: provided by bartowski based on llama.cpp release b5074

Technical Details#

Supports a context length of 128k tokens.

Small reasoning model trained on verified coding and mathematics from the PRIME Erurus-2-RL dataset using PRIME (Process Reinforcement through IMplicit rEwards).

Based on DeepSeek-R1-Distill-Qwen-1.5B with improved accuracy on hard coding tasks.

Special thanks#

🙏 Special thanks to Georgi Gerganov and the whole team working on llama.cpp for making all of this possible.

Disclaimers#

LM Studio is not the creator, originator, or owner of any Model featured in the Community Model Program. Each Community Model is created and provided by third parties. LM Studio does not endorse, support, represent or guarantee the completeness, truthfulness, accuracy, or reliability of any Community Model. You understand that Community Models can produce content that might be offensive, harmful, inaccurate or otherwise inappropriate, or deceptive. Each Community Model is the sole responsibility of the person or entity who originated such Model. LM Studio may not monitor or control the Community Models and cannot, and does not, take responsibility for any such Model. LM Studio disclaims all warranties or guarantees about the accuracy, reliability or benefits of the Community Models. LM Studio further disclaims any warranty that the Community Model will meet your requirements, be secure, uninterrupted or available at any time or location, or error-free, viruses-free, or that any errors will be corrected, or otherwise. You will be solely responsible for any damage resulting from your use of or access to the Community Models, your downloading of any Community Model, or use of any other Community Model provided by or through LM Studio.

Files

6 files · 5.46 GBWeights 980 MB (smallest of 4 GGUF variants). Sizes and sha256 from the signed manifest.
Hide all 6 files with their sha256
FileSizesha256
.gitattributes1.74 KB767517f81395cbf18dbd702f9aec16cf6c77afd7b1b8f61e4612bd144607a9d6
README.md2.73 KB49e6526bb7cc041e7f0b303a1b0e76e41b88a67eb30742523056183555c08fab
ZR1-1.5B-Q3_K_L.gguf980 MB1345076c2557c60ada761cb76818d2949b4f04c761d00dd4a0e7262fd42d764d
ZR1-1.5B-Q4_K_M.gguf1.12 GBbeb466f79bcfcc50958910837e18c43a273cc8d76ac8a9352418a762f857dbd2
ZR1-1.5B-Q6_K.gguf1.46 GB494fb909d62bca591fa04f1f5621b6a4dd1692f5ccadbd2d9dd05ef190205479
ZR1-1.5B-Q8_0.gguf1.89 GBfab704ec6cfde01d7b9822f9532da25c47c10235710830cc013004ca3f6dd293
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
acb1555057 pinned now2026-11-15 05:24 UTC6 files · 5.46 GB

Use it

$ fw get lmstudio-community/ZR1-1.5B-GGUF
# manifest sha256 a88a6ba374ef… · 5.46 GB · 6 files
$ fw verify ./ZR1-1.5B-GGUF lmstudio-community/ZR1-1.5B-GGUF
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/lmstudio-community/ZR1-1.5B-GGUF.json --dir ./ZR1-1.5B-GGUF $ python3 fw.py verify ./ZR1-1.5B-GGUF ./lmstudio-community__ZR1-1.5B-GGUF.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/ZR1-1.5B-GGUF --revision acb1555057444fa9eb0690f45e694c8c461eee6d --local-dir ./ZR1-1.5B-GGUF
llama.cppDownload one GGUF variant (ZR1-1.5B-Q3_K_L, 980 MB), then serve it.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/ZR1-1.5B-GGUF --include "ZR1-1.5B-Q3_K_L*" --local-dir ./ZR1-1.5B-GGUF $ llama-server -m ./ZR1-1.5B-GGUF/ZR1-1.5B-Q3_K_L.gguf
OllamaMake an Ollama model from the downloaded file.
$ printf 'FROM ./ZR1-1.5B-GGUF/ZR1-1.5B-Q3_K_L.gguf\n' > Modelfile $ ollama create zr1-1.5b-gguf -f Modelfile
Run at home

License

Name
MIT License
Id
MIT
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-15
Text in
README.md
Text sha256
49e6526bb7cc041e7f0b303a1b0e76e41b88a67eb30742523056183555c08fab
Terms gate
No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: lmstudio-community <huggingface.co/lmstudio-community>Newsgroups: alt.freeweights.textSubject: ZR1-1.5B-GGUFDate: 2026-11-15Commit: acb1555Signed: 2DC28CC7B26A283B ✓
Upstream
lmstudio-community/ZR1-1.5B-GGUF
Pinned commit
acb1555057444fa9eb0690f45e694c8c461eee6d
Manifest
ZR1-1.5B-GGUF.json · .minisig
Manifest sha256
a88a6ba374ef47bb6a43b628036879f2349a387c7926d172a62be734b49ff7fb
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 05:24 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/ZR1-1.5B-GGUF.json $ curl -O https://freeweights.allternit.com/manifests/lmstudio-community/ZR1-1.5B-GGUF.json.minisig $ minisign -Vm ZR1-1.5B-GGUF.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq $ shasum -a 256 <file> # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

Model tree

Parent

Zyphra/ZR1-1.5B · this model is a quantization of it

No model in the catalog names this one as its parent.

Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download lmstudio-community/ZR1-1.5B-GGUF
Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest
minisign, key 2DC28CC7B26A283B. ZR1-1.5B-GGUF.json. Provenance. Takedown history: none.
Source
huggingface.co/lmstudio-community/ZR1-1.5B-GGUF

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